Construction of Under Ground RCC Sumps of 3 Nos of One Lakh Litres Capacity at IIT Madras for Chiller plants and Construction of under Ground RCC Sumps of Fifty thousand litres Capacity for Sprinklers at Manohar C Wasta Stadium IIT Madras Campus

Amount

SCHEDULE A - Construction of Under Ground RCC Sumps of 3 No’s of One Lakh Litres Capacity at IIT Madras for Chiller plants

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth. 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed. All kinds of soil

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50 m and lift upto 1.5 m, disposed earth to be levelled and neatly dressed. Ordinary rock

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m : All kinds of soil. Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials. All kinds of soil

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials. Ordinary rock

Supplying and filling in plinth with river /M sand under floors, including watering, ramming, consolidating and dressing complete.

Providing and laying in position ready mixed or site batched design mix cement concrete for plain cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana/Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering and finishing as per direction of the engineer-in-charge; for the following grades of concrete. Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the minimum specified cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement. All works upto plinth level : Concrete of M20 grade with minimum cement content of 270 kg /cum

Extra for providing and mixing water proofing material in cement concrete work in doses by weight of cement as per manufacturer's specification.

Centering and shuttering including strutting, propping etc. and removal of fometre using good quality 12mm thick film coated water proof plywood / steel shuttering as approved by IIT Madras (No plastering will be done for internal and external wall surface of the concrete). The contractor shall submit necessary shop drawing for the proposed shuttering and fometre work and shall be got approved from the Engineer-in-charge for :

Foundations, footings, bases of columns, etc. for mass concrete

Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Suspended floors, roofs, landings, balconies and access platfometre

Providing and fixing tie bolt, spring coil and plastic cone in wall shuttering complete as per the direction of Engineer-in-charge. 20 mm dia.& 225 mm length.

Steel reinforcement for R.C.C. work including straightening, cutting,bending, placing in position and binding all complete upto plinth level. Themetreo- Mechanically Treated bars Fe500D

Providing and laying in position ready mixed M-35 grade concrete for reinforced cement concrete work, using cement content as per approved design mix, manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads, having continuous agitated mixer, manufactured as per mix design of specified grade for reinforced cement concrete work, including pumping of R.M.C. from transit mixer to site of laying , excluding the cost of centering, shuttering finishing and reinforcement, including cost of admixtures in recommended proportions as per IS : 9103 to accelerate/ retard setting of concrete, improve workability without impairing strength and durability as per direction of the Engineer - in - charge. (Note : Cement content considered in M-35 is @ 380 kg/ cum. Excess/less cement used as per design mix is payable / recoverable separately).

All works up to plinth level

All works above plinth level

Brick work with non modular fly ash bricks conforming to IS:12894, class designation 10 average compressive strength in super structure above plinth level up to floor V level in.Cement mortar 1:4 (1 cement : 4 coarse sand)

52 mm thick cement concrete flooring with concrete hardener topping, under layer 40 mm thick cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) and top layer 12 mm thick cement hardener consisting of mix 1:2 (1 cement hardener mix : 2 graded stone aggregate 6 mm nominal size) by volume, hardening compound mixed @ 2 litre per 50 kg of cement or as per manufacturer’s specifications. This includes cost of cement slurry, but excluding the cost of nosing of steps etc. complete.

12 mm cement plaster of mix : 1:4 (1 cement: 4 fine sand)

Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface : Water thinnable cement primer

Dismantling manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge : Water bound macadam road

Dismantling manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge - bituminous road

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Providing and laying 60mm thick factory made cement concrete interlocking paver block of M -30 grade made by block making machine with strong vibratory compaction, of approved size, design & shape, laid in required colour and pattern over and including 50mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-in-charge.

Providing and erecting 2.00 metre high temporary barricading at site; each panel of size 2.50mx2.00m made of 40x40x6mm angle iron or 50x50x3mm hollow MS tube posts/horizontal members/bracings covered with 1.63mm thick MS sheet. The sheet shall be fixed with 30x5mm MS flat by suitable welding/riveting. The panels shall be made so that gap of 50cm above the ground is available making overall height as 2.5m. MS channel ISLC 75 @ 5.70 kg/m, 50cm long shall be provided at the bottom having oval shaped holes of size 50x25mm at both ends with 50cm long MS angle 40x40x6mm bracing. Suitable arrangement shall be made to fix the barricading to avoid from overturning by providing 250mm long expansion fasteners at both ends. The work shall be executed as per drawing/direction of Engineer-in-Charge which includes writing and painting, arrangement for traffic diversion such as traffic signals during construction at site for day and night, glow lamps, reflective signs, marking, flags, caution tape as directed by the Engineer-in-Charge. The barricading provided shall be retained in position at site continuously i/c shifting of barricading from one location to another location as many times as required during the execution of the entire work till its completion. Rate include its maintenance for damages, painting, all incidentals, labour materials, equipments and works required to execute the job. The barricading shall not be removed without prior approval of Engineerin- Charge. (Note :- One time payment shall be made for providing barricading from start of work till completion of work i/c shifting. The barricading provided shall remain to be the property of the contractor on completion of the work).

Providing flanged joints to double flanged C.I./ D.I. pipes and specials, including testing of joints : 150 mm dia pipe

Providing and fixing C.I. sluice valves (with cap) complete with bolts, nuts, rubber insertions etc. (the tail pieces if required will be paid separately) : Class II - 150 mm dia

Constructing masonry Chamber 120x120x100 cm inside, in brick work in cement mortar 1:4 (1 cement : 4 coarse sand) for sluice valve, with C.I. surface box 100 mm top diameter, 160 mm bottom diameter and 180 mm deep ( inside) with chained lid and RCC top slab 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) , i/c necessary excavation, foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick, finished with a floating coat of neat cement complete as per standard design : With solid flyash cement concrete block M10 grade.

Providing and fixing C.I. double acting air valve of approved quality with bolts, nuts, rubber insertions etc. complete (The tail pieces, tapers etc if required will be paid separately) : 100 mm dia

Providing and fixing enclosed type water meter (bulk type) conforming to IS : 2373 and tested by Municipal Board complete with bolts, nuts, rubber insertions etc. (The tail pieces if required will be paid separately) :150mm dia nominal bore

Providing and fixing C.I. dirt box strainer for bulk type water meter with nuts, bolts, rubber insertions etc. complete confometreing to IS : 2373 : 150mm dia

Providing and laying D.I. specials of class K-12 suitable for push-on jointing as per IS : 9523 : Up to 600 mm dia

Providing push-on-joints to Centrifugally (Spun) Cast Iron Pipes or Ductile Iron Pipes including testing of joints and the cost of rubber gasket : 150 mm dia pipes

Providing and laying S&S Centrifugally Cast (Spun) / Ductile Iron Pipes confometreing to IS : 8329 : 150 mm dia Ductile Iron Class K-9 pipes

Providing and laying Non Pressure NP-3 class (Medium duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete: 450 mm dia RCC pipes.

Providing orange colour safety foot rest of minimum 6 mm thick plastic encapsulated as per IS : 10910, on 12 mm dia steel bar conforming to IS : 1786, having minimum cross section as 23 mmx25 mm and over all minimum length 263 mm and width as 165 mm with minimum 112 mm space between protruded legs having 2 mm tread on top surface by ribbing or chequering besides necessary and adequate anchoring projections on tail length on 138 mm as per standard drawing and suitable to with stand the bend test and chemical resistance test as per specifications and having manufacture's permanent identification mark to be visible even after fixing, including fixing in manholes with 30x20x15 cm cement concrete block 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) complete as per design.

Providing and fixing in position SFRC / Precast RCC manhole cover and frame of required shape and approved quality. EHD -35, Circular shape 560mm internal diametre.

Providing and applying of swellable type water stop tape, 19mm x 25mm thick in linear meter (expansive nature) for construction joints treatment of RCC structure such as raft slab, retaining walls, water storage tank and at the junctions of raft slab with the retaining walls etc.. After cleaning the surface, one coat of required primer for swellable water stop tape shall be applied throughout the length of the joint @3.78 litre per 240 running meter. Over the primed surface swellable type water stop tape shall be placed. The work shall be carried out all complete as per specification and the direction of the Engineer-In-Charge. The product performance shall carry guarantee for 10 years against any leakage.

Providing 6 layer high build heavy duty hybrid acrylic water-proof liquid applied membrane system over the plastered / screed or HP tiled terrace, roof and parapet surface - High build heavy duty 6 or more layer water proofing system after removing the dust, fungus and other contaminants from the surface. Rate inclusive of crack repairing, deboned plaster must be repaired completely etc.,. 1. Prepare a base surface stabilising primer - Penetrative acrylic polymer liquid modified with cement as a bonding cum sealer coating over the prepared sound surface. 2. Providing and laying Polyester fibre fleece reinforcement (70gsm - saturated in polymer) over the primed surface with minimum overlapping of 50mm, levelling, finishing complete (Without bulging). 3. Applying two component acrylic polymer modified cementitious coating over the fleece layer. 4. Providing a pure acrylic transparent elastomeric water barrier coat. 5. P & L High viscus acrylic elastomeric water proof coat.

Supplying and filling in plinth with quarry dust under floors in layers not exceeding 20cm in depth consolidating each deposited layer by ramming and watering, and dressing complete.

Supplying and fixing 50mm dia MS pipe welded with orifice plate of 300mm dia and thickness of 12mm including fixing with the CI flanged and including cutting, threading in one side and welding in other side etc., for providing line in the UG sump including grouting the holes using non shrink compound (Fosrac chemicals ) etc., complete/

Providing Mechanical core cutting up to 250mm depth up to 125mm dia in RCC wall for fixing pipes for UG sump joints with Grey water line pipes including removing of debris and labour charges etc.., complete

Providing and fixing Route Marker "GREY WATER" CI name board with MS angle support and casting of concrete block as required size including earth work, enamel painting, letter writing with bolt & nut fixing etc complete as per the direction of Engineer in charge.

Providing and Fixing PTMT Float valve of 50mm dia for UG sumpsand etc complete.

Providing and fixing of 100mm dia PVC pipe with cowl for UG sump Air vent and etc. complete

Providing and fixing chlorinated poly vinyl chloride (CPVC) pipes, having thermal stability for hot and cold water supply, includiing all CPVC plain and brass threaded fittings, including fixing the pipe with clamps at 1m spacing. This includes jointing of pipes and fittings with one step CPVC solvent cement, trenching, refilling and testing of joints complete as per direction of Engineer-in-charge. External work (Ashirvad/Astral /Prince SDR 11 grade) 50mm dia

Supplying and fixing CPVC valves of approved quality for the following diameter (Ashirvad/Astral /Prince SDR 11 grade) 50mm dia

Supplying and fixing CPVC Union (Ashirvad/Astral /Prince SDR 11 grade) 50mm dia

Providing and fixing gun metal gate valve with CI wheel of approved quality (screewed end) 50mm dia nominal bore

Providing and fixing gun metal non return valve of approved quality (screewed end) 50mm nominal bore - Horizontal

Supplying and fixing GI base clamps on walls, the rate inclusive of labour, materials, scaffolding etc., complete

Making connection of GI distribution branch with GI main of following sizes by providing and fixing Tee, including cutting and threading the pipe etc. complete (dia upto 50mm)

Making opening in the wall of diameter upto 50mm by using core cutting method and sealing the opening after inserting the pipes and making good to the walls. The rate inclusive of labour, material, scaffolding, etc., complete.

SCHEDULE B - Construction of Under Ground RCC Sumps of Fifty Thousand Litres Capacity for Sprinklers at Manohar C Watsa stadium, IITM Campus

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth. 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed. All kinds of soil

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50 m and lift upto 1.5 m, disposed earth to be levelled and neatly dressed. Ordinary rock

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m : All kinds of soil. Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials. All kinds of soil

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials. Ordinary rock

Supplying and filling in plinth with locally available river sand/M.sand under floors, including watering, ramming, consolidating and dressing complete.

Providing and laying in position ready mixed or site batched design mix cement concrete for plain cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana/Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering and finishing as per direction of the engineer-in-charge; for the following grades of concrete. Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the minimum specified cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement. All works upto plinth level : Concrete of M20 grade with minimum cement content of 270 kg /cum

Extra for providing and mixing water proofing material in cement concrete work in doses by weight of cement as per manufacturer's specification.

Centering and shuttering including strutting, propping etc. and removal of fometre using good quality 12mm thick film coated water proof plywood / steel shuttering as approved by IIT Madras (No plastering will be done for internal and external wall surface of the concrete). The contractor shall submit necessary shop drawing for the proposed shuttering and fometre work and shall be got approved from the Engineer-in-charge for :

Foundations, footings, bases of columns, etc. for mass concrete

Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Suspended floors, roofs, landings, balconies and access platfometre

Providing and fixing tie bolt, spring coil and plastic cone in wall shuttering complete as per the direction of Engineer-in-charge. 20 mm dia.& 225 mm length.

Steel reinforcement for R.C.C. work including straightening, cutting,bending, placing in position and binding all complete upto plinth level. Themetreo- Mechanically Treated bars Fe500D

Providing and laying in position ready mixed M-35 grade concrete for reinforced cement concrete work, using cement content as per approved design mix, manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads, having continuous agitated mixer, manufactured as per mix design of specified grade for reinforced cement concrete work, including pumping of R.M.C. from transit mixer to site of laying , excluding the cost of centering, shuttering finishing and reinforcement, including cost of admixtures in recommended proportions as per IS : 9103 to accelerate/ retard setting of concrete, improve workability without impairing strength and durability as per direction of the Engineer - in - charge. (Note : Cement content considered in M-35 is @ 380 kg/ cum. Excess/less cement used as per design mix is payable / recoverable separately). All works up to plinth level

Brick work with non modular fly ash bricks conforming to IS:12894, class designation 10 average compressive strength in super structure above plinth level up to floor V level in.Cement mortar 1:4 (1 cement : 4 coarse sand)

52 mm thick cement concrete flooring with concrete hardener topping, under layer 40 mm thick cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) and top layer 12 mm thick cement hardener consisting of mix 1:2 (1 cement hardener mix : 2 graded stone aggregate 6 mm nominal size) by volume, hardening compound mixed @ 2 litre per 50 kg of cement or as per manufacturer’s specifications. This includes cost of cement slurry, but excluding the cost of nosing of steps etc. complete.

12 mm cement plaster of mix : 1:4 (1 cement: 4 fine sand)

Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface : Water thinnable cement primer

Providing and erecting 2.00 metre high temporary barricading at site; each panel of size 2.50mx2.00m made of 40x40x6mm angle iron or 50x50x3mm hollow MS tube posts/horizontal members/bracings covered with 1.63mm thick MS sheet. The sheet shall be fixed with 30x5mm MS flat by suitable welding/riveting. The panels shall be made so that gap of 50cm above the ground is available making overall height as 2.5m. MS channel ISLC 75 @ 5.70 kg/m, 50cm long shall be provided at the bottom having oval shaped holes of size 50x25mm at both ends with 50cm long MS angle 40x40x6mm bracing. Suitable arrangement shall be made to fix the barricading to avoid from overturning by providing 250mm long expansion fasteners at both ends. The work shall be executed as per drawing/direction of Engineer-in-Charge which includes writing and painting, arrangement for traffic diversion such as traffic signals during construction at site for day and night, glow lamps, reflective signs, marking, flags, caution tape as directed by the Engineer-in-Charge. The barricading provided shall be retained in position at site continuously i/c shifting of barricading from one location to another location as many times as required during the execution of the entire work till its completion. Rate include its maintenance for damages, painting, all incidentals, labour materials, equipments and works required to execute the job. The barricading shall not be removed without prior approval of Engineerin- Charge. (Note :- One time payment shall be made for providing barricading from start of work till completion of work i/c shifting. The barricading provided shall remain to be the property of the contractor on completion of the work).

Providing flanged joints to double flanged C.I./ D.I. pipes and specials, including testing of joints : 150 mm dia pipe

Providing and fixing C.I. sluice valves (with cap) complete with bolts, nuts, rubber insertions etc. (the tail pieces if required will be paid separately) : Class II - 150 mm dia

Constructing masonry Chamber 120x120x100 cm inside, in brick work in cement mortar 1:4 (1 cement : 4 coarse sand) for sluice valve, with C.I. surface box 100 mm top diameter, 160 mm bottom diameter and 180 mm deep ( inside) with chained lid and RCC top slab 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) , i/c necessary excavation, foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick, finished with a floating coat of neat cement complete as per standard design : With solid flyash cement concrete block M10 grade.

Providing and fixing C.I. double acting air valve of approved quality with bolts, nuts, rubber insertions etc. complete (The tail pieces, tapers etc if required will be paid separately) : 100 mm dia

Providing and fixing C.I. dirt box strainer for bulk type water meter with nuts, bolts, rubber insertions etc. complete confometreing to IS : 2373 : 150mm dia

Providing and laying D.I. specials of class K-12 suitable for push-on jointing as per IS : 9523 : Up to 600 mm dia

Providing push-on-joints to Centrifugally (Spun) Cast Iron Pipes or Ductile Iron Pipes including testing of joints and the cost of rubber gasket : 150 mm dia pipes

Providing and laying S&S Centrifugally Cast (Spun) / Ductile Iron Pipes confometreing to IS : 8329 : 150 mm dia Ductile Iron Class K-9 pipes

Providing orange colour safety foot rest of minimum 6 mm thick plastic encapsulated as per IS : 10910, on 12 mm dia steel bar conforming to IS : 1786, having minimum cross section as 23 mmx25 mm and over all minimum length 263 mm and width as 165 mm with minimum 112 mm space between protruded legs having 2 mm tread on top surface by ribbing or chequering besides necessary and adequate anchoring projections on tail length on 138 mm as per standard drawing and suitable to with stand the bend test and chemical resistance test as per specifications and having manufacture's permanent identification mark to be visible even after fixing, including fixing in manholes with 30x20x15 cm cement concrete block 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) complete as per design.

Providing and fixing in position SFRC/Precast RCC manhole cover and frame of required shape and approved quality. EHD -35, Circular shape 560mm internal diametre.

Providing and applying of swellable type water stop tape, 19mm x 25mm thick in linear meter (expansive nature) for construction joints treatment of RCC structure such as raft slab, retaining walls, water storage tank and at the junctions of raft slab with the retaining walls etc.. After cleaning the surface, one coat of required primer for swellable water stop tape shall be applied throughout the length of the joint @3.78 litre per 240 running meter. Over the primed surface swellable type water stop tape shall be placed. The work shall be carried out all complete as per specification and the direction of the Engineer-In-Charge. The product performance shall carry guarantee for 10 years against any leakage.

Supplying and filling in plinth with quarry dust under floors in layers not exceeding 20cm in depth consolidating each deposited layer by ramming and watering, and dressing complete.

Supplying and fixing 50mm dia MS pipe welded with orifice plate of 300mm dia and thickness of 12mm including fixing with the CI flanged and including cutting, threading in one side and welding in other side etc., for providing line in the UG sump including grouting the holes using non shrink compound (Fosrac chemicals ) etc., complete/

Providing Mechanical core cutting up to 250mm depth up to 125mm dia in RCC wall for fixing pipes for UG sump joints with Grey water line pipes including removing of debris and labour charges etc.., complete

Providing and fixing Route Marker "GREY WATER" CI name board with MS angle support and casting of concrete block as required size including earth work, enamel painting, letter writing with bolt & nut fixing etc complete as per the direction of Engineer in charge.

Providing and Fixing PTMT Float valve of 50mm dia for UG sumpsand etc complete.

Providing and fixing of 100mm dia PVC pipe with cowl for UG sump Air vent and etc. complete

Providing and fixing chlorinated poly vinyl chloride (CPVC) pipes, having thermal stability for hot and cold water supply, includiing all CPVC plain and brass threaded fittings, including fixing the pipe with clamps at 1m spacing. This includes jointing of pipes and fittings with one step CPVC solvent cement, trenching, refilling and testing of joints complete as per direction of Engineer-in-charge. External work (Ashirvad/Astral /Prince SDR 11 grade) 50mm dia

Supplying and fixing CPVC valves of approved quality for the following diameter (Ashirvad/Astral /Prince SDR 11 grade) 50mm dia

Supplying and fixing CPVC Union (Ashirvad/Astral /Prince SDR 11 grade) 50mm dia

Providing and fixing gun metal gate valve with CI wheel of approved quality (screewed end) 50mm dia nominal bore

Providing and fixing gun metal non return valve of approved quality (screewed end) 50mm nominal bore - Horizontal

Making connection of GI distribution branch with GI main of following sizes by providing and fixing Tee, including cutting and threading the pipe etc. complete (dia upto 50mm)

Making opening in the wall of diameter upto 50mm by using core cutting method and sealing the opening after inserting the pipes and making good to the walls. The rate inclusive of labour, material, scaffolding, etc., complete.

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